Effect of perioperative blood transfusion on prognosis of patients with gastric cancer: a retrospective analysis of a single center database

Table 3 Univariate analysis of all patients

	n	5-year survival rate (%)	P value
Gender			0.759
Male	1102	52
Female	479	53
Age (yr)			< 0.001
≤ 60	891	58
>60	690	45
Tumor size (cm)			< 0.001
≤ 5	1136	59
>5	445	36
Tumor location			< 0.001
Upper third	563	39
Middle third	275	49
Lower third	702	65
Two-third or more	41	32
TNM stage			< 0.001
Stage I	403	94
Stage II	382	61
Stage III	796	27
Type of Gastrectomy			< 0.001
Subtotal	1342	56
Total	239	34
Operation time (min)			< 0.001
< 180	1025	58
≥ 180	556	43
Albumin level at admission (g/dl)			0.006
< 3.5	379	47
≥ 3.5	1202	54
Hemoglobin level at admission (g/dl)			< 0.001
< 12	575	46
≥ 12	1006	56
Perioperative blood transfusion			< 0.001
Yes	298	40
No	1283	55

TNM Tumor Node Metastasis, n number of patients, P value obtained by chi-squares tests or Fisher’s exact test, min minute

ISSN: 1471-2407